Voor de veelterm
V(x) = x³ + kx + 1
is   V(1) = 1.
Hoe groot is V(2) ? 		A.   1
B.   2
C.   3
D.   5
E.   7
                 

[ 3-8113 - op net sinds 22.9.2016-(E)-27.10.2023 ]

Translation in   E N G L I S H

For the polynomial
V(x) = x³ + kx + 1
is   V(1) = 1.
What is the value of V(2) ? 		A.   1
B.   2
C.   3
D.   5
E.   7

Oplossing - Solution

V(1) = 1 ⇔ 1³ + k.1 + 1 = 1 ⇔ k = −1
V(2) = 2³ + (−1).2 + 1 = 8 − 2 + 1 = 7